Yellow crystalline powder,odorless, a little bitter. The color becomes deep at the sunlight. Easily soluble in water,slightly soluble ethanol,insoluble in chloroform or aether.

6

Use

Antibiotic drugs with the action of broad-spectrum. It can cure the rickettsiosis, undulant fever, mycoplasma pneumonia and chlamydia. Also can be used in the light infection caused by sensitive gram positive coccus and negative coccus.